JPS57206544A - Head working method of shaft parts - Google Patents

Head working method of shaft parts

Info

Publication number
JPS57206544A
JPS57206544A JP8989481A JP8989481A JPS57206544A JP S57206544 A JPS57206544 A JP S57206544A JP 8989481 A JP8989481 A JP 8989481A JP 8989481 A JP8989481 A JP 8989481A JP S57206544 A JPS57206544 A JP S57206544A
Authority
JP
Japan
Prior art keywords
shaft parts
punch
end part
rocking
vertex
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8989481A
Other languages
Japanese (ja)
Inventor
Yoshiaki Nakajima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imasen Electric Industrial Co Ltd
Original Assignee
Imasen Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imasen Electric Industrial Co Ltd filed Critical Imasen Electric Industrial Co Ltd
Priority to JP8989481A priority Critical patent/JPS57206544A/en
Publication of JPS57206544A publication Critical patent/JPS57206544A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00Forging presses
    • B21J9/02Special design or construction
    • B21J9/025Special design or construction with rolling or wobbling dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

PURPOSE:To easily form a head part without generating vibration and a noise, and without anneal-processing and cut-working, by pressing a rocking punch against the end part of metallic shaft parts to be worked, when forming and working the head part in the end part of the metallic shaft parts. CONSTITUTION:In a hole 9a of a lower die 9 provided with a knock pin 11 on its bottom part, steel shaft parts 10 to be worked are inserted and set so that an end part 10a is projected. A rocking punch 7 being almost columnar and having a conical part 7a and a ring-like projecting edge part 7b on its lower surface is made to contact so that a vertex 7c is positioned on an axis 5 of the shaft parts 10, and is rock-rotated by a motor 3 of an upper punch base seat 6. The rocking punch 7 makes the vertex 7c a supporting point and is rock-rotated at an eccentric angle (theta) against the axis 5 as indicated with an arrow P, the end part 10a of the shaft parts 10 is gradually crushed in the circumferential direction, and a head part 10b is formed moderately and easily.
JP8989481A 1981-06-10 1981-06-10 Head working method of shaft parts Pending JPS57206544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8989481A JPS57206544A (en) 1981-06-10 1981-06-10 Head working method of shaft parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8989481A JPS57206544A (en) 1981-06-10 1981-06-10 Head working method of shaft parts

Publications (1)

Publication Number Publication Date
JPS57206544A true JPS57206544A (en) 1982-12-17

Family

ID=13983440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8989481A Pending JPS57206544A (en) 1981-06-10 1981-06-10 Head working method of shaft parts

Country Status (1)

Country Link
JP (1) JPS57206544A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59174247A (en) * 1983-03-23 1984-10-02 Nitto Seiko Co Ltd Production of multistage flanged parts by rotary forging
JPH08276237A (en) * 1995-03-31 1996-10-22 Nitto Seiko Co Ltd Production of shaft like parts
EP1219853A2 (en) * 2000-12-25 2002-07-03 TOYO TIRE & RUBBER CO., LTD . Method of producing vibration-isolating bushing
WO2012121246A1 (en) * 2011-03-07 2012-09-13 株式会社ジェイテクト Manufacturing method for wheel roller bearing device
JP2012197070A (en) * 2011-03-07 2012-10-18 Jtekt Corp Manufacturing method for wheel rolling bearing device, and wheel rolling bearing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932860A (en) * 1972-07-25 1974-03-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932860A (en) * 1972-07-25 1974-03-26

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59174247A (en) * 1983-03-23 1984-10-02 Nitto Seiko Co Ltd Production of multistage flanged parts by rotary forging
JPH08276237A (en) * 1995-03-31 1996-10-22 Nitto Seiko Co Ltd Production of shaft like parts
EP1219853A2 (en) * 2000-12-25 2002-07-03 TOYO TIRE & RUBBER CO., LTD . Method of producing vibration-isolating bushing
EP1219853A3 (en) * 2000-12-25 2003-07-16 TOYO TIRE & RUBBER CO., LTD . Method of producing vibration-isolating bushing
US6626020B2 (en) * 2000-12-25 2003-09-30 Toyo Tire & Rubber Co., Ltd. Method of producing vibration-isolating bushing
WO2012121246A1 (en) * 2011-03-07 2012-09-13 株式会社ジェイテクト Manufacturing method for wheel roller bearing device
JP2012197070A (en) * 2011-03-07 2012-10-18 Jtekt Corp Manufacturing method for wheel rolling bearing device, and wheel rolling bearing device
JP2012197932A (en) * 2011-03-07 2012-10-18 Jtekt Corp Manufacturing method for wheel roller bearing device
CN103415362A (en) * 2011-03-07 2013-11-27 株式会社捷太格特 Manufacturing method for wheel roller bearing device
EP2684626A4 (en) * 2011-03-07 2016-05-18 Jtekt Corp Manufacturing method for wheel roller bearing device

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